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Effects of Heat-treatment Parameters on Mechanical Properties of A3003 Al Alloy Tubes for Heat-exchangers by High Frequency Induction Welding  

Gook, Jin-Seon (Research Center, ALMETAL Industrial Co., Ltd.)
Yoon, Dong-Ju (Industrial-Academic Cooperation Centered University, Sunchon University)
Kim, Byung-Il (Material Science and Metallurgical Engineering, Sunchon University)
Publication Information
Journal of the Korean Society for Heat Treatment / v.19, no.3, 2006 , pp. 156-162 More about this Journal
Abstract
The aim of this study is to investigate the full annealing parameter for A3003 Al alloy welded tubes. The A3003 Al alloy tubes with 34 mm in external diameter and 1.3 mm in thickness for OPC drum were manufactured by high frequency induction welding with the V shaped convergence angle $6.7^{\circ}$ and power input 50 kW. The tensile and yield strength decreased with increasing the annealing temperature and time remarkably, but elongation increased remarkably. Vickers hardness in welds and base metal decreased with increasing the annealing temperature and time remarkably. In a certain experimental condition, the welds line in A3003 alloys disappeared at $520^{\circ}C$ for 4hr because of the same mechanical properties and structures between welds and base metal.
Keywords
High Frequency Induction Welding; A3003 Aluminium Alloy; OPC Drum; Annealing;
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Times Cited By KSCI : 1  (Citation Analysis)
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